The Music Box Company was founded in 1988 in San Francisco, California, with humble beginnings, it quickly grew to several stores, specializing in unique and high quality musicals A musical box (UK usage music box in US English) is an automatic musical instrument in a box which produces musical notes by using a set of pins placed on a revolving cylinder or disc to pluck the tuned teeth (or lamellae) of a steel comb.The earliest known mechanical musical instruments date back to 9th-century Baghdad.